{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "Symptom scores relating to the severity of constipation were lower in cisapride - treated constipation - predominant IBS patients [ score , 54 + / - 5 versus 67 + / - 14 mm , cisapride versus placebo ( P < 0 . 05 ) ; pretreatment , 62 + / - 19 mm ] ."}
{"Chemical": ["cisapride"], "Disease": ["constipation", "IBS"]}